From 5e06a8d665c65554904f9358e5dc0fb01c120639 Mon Sep 17 00:00:00 2001
From: Rami Santina <rami.santina@gmail.com>
Date: Sun, 2 Oct 2011 01:09:08 +0300
Subject: Added allin one shader stripped for graph.

tegra2 hunting, single pass, no discard, lowp,
and removed uneeded variables
---
 .../curve/opengl/shader/curverenderer01-sp-xxx.fp  | 52 ++++++++++++++++++++++
 .../curve/opengl/shader/curverenderer01-sp-xxx.vp  | 18 ++++++++
 2 files changed, 70 insertions(+)
 create mode 100644 src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-sp-xxx.fp
 create mode 100644 src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-sp-xxx.vp

(limited to 'src')

diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-sp-xxx.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-sp-xxx.fp
new file mode 100644
index 000000000..da32df51f
--- /dev/null
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-sp-xxx.fp
@@ -0,0 +1,52 @@
+//Copyright 2010 JogAmp Community. All rights reserved.
+
+#ifdef GL_ES
+  precision lowp float;
+  precision lowp int;
+#endif
+
+uniform mat4    gcu_PMVMatrix[3]; // P, Mv, and Mvi
+uniform vec3    gcu_ColorStatic;
+uniform float   gcu_Alpha;
+
+varying vec2    gcv_TexCoord;
+
+const vec3 b_color = vec3(1.0, 1.0, 1.0);
+
+void main (void)
+{
+    vec2 rtex = vec2(abs(gcv_TexCoord.x),abs(gcv_TexCoord.y));
+    vec3 c = gcu_ColorStatic;
+    
+    float alpha = 0.0;
+    
+    if((gcv_TexCoord.x == 0.0) && (gcv_TexCoord.y == 0.0)) {
+         alpha = gcu_Alpha;
+    }
+    else if ((gcv_TexCoord.x > 0.0) && (rtex.y > 0.0 || rtex.x == 1.0)) {
+        vec2 dtx = dFdx(rtex);
+        vec2 dty = dFdy(rtex);
+          
+        rtex.y -= 0.1;
+          
+        if(rtex.y < 0.0) {
+          rtex.y = 0.0;
+        }
+          
+        vec2 f = vec2((dtx.y - dtx.x + 2.0*rtex.x*dtx.x), (dty.y - dty.x + 2.0*rtex.x*dty.x));
+        float position = rtex.y - (rtex.x * (1.0 - rtex.x));
+        float d = position/(length(f));
+
+        float a = (0.5 - d * sign(gcv_TexCoord.y));  
+        
+        if (a >= 1.0)  { 
+            alpha = gcu_Alpha;
+        } else if (a <= 0.0) {
+            alpha=0.0;
+        } else {           
+            alpha = gcu_Alpha * a;
+        }
+    }
+    
+    gl_FragColor = vec4(c, alpha);
+}
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-sp-xxx.vp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-sp-xxx.vp
new file mode 100644
index 000000000..8bf3beea1
--- /dev/null
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-sp-xxx.vp
@@ -0,0 +1,18 @@
+//Copyright 2010 JogAmp Community. All rights reserved.
+#ifdef GL_ES
+  precision lowp float;
+  precision lowp int;
+#endif
+
+uniform mat4    gcu_PMVMatrix[3]; // P, Mv, and Mvi
+varying vec2    gcv_TexCoord;
+
+attribute vec4    gca_Vertices;
+attribute vec2    gca_TexCoords;
+
+
+void main(void)
+{
+  gl_Position = gcu_PMVMatrix[0] * gcu_PMVMatrix[1] * gca_Vertices;
+  gcv_TexCoord = gca_TexCoords;
+}
-- 
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